﻿/*!	@file	r_draw_indexbuffer.h
	@brief	インデックスバッファ
Copyright (c) 2010 Yuya Yamaguchi

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef _R_DRAW_INDEXBUFFER_H_
#define _R_DRAW_INDEXBUFFER_H_

#include "../alloc/r_alloc_new_delete.h"
#include "../rtti/r_rtti_class_base.h"

namespace r{
	namespace draw{
		//! インデックスバッファ
		/*!
		*/
		class IndexBuffer : public r::rtti::ClassBase
		{
			RRTTI_REFLECTION_DECLARE
		public:
			RALLOC_PLACEMENT_NEW_DELETE_DECLEARE

		__r_serialize:
			//! RTTI用未使用
			IndexBuffer( void );
		protected:
			//! コンストラクタ
			IndexBuffer ( r_ui32 _numIndex );
			//! デストラクタ
			virtual ~IndexBuffer();
		public:
			//! 生成関数
			static IndexBuffer*		create( r_ui32 numIndex );
			//! 破棄関数
			virtual void	destroy( void );
		public:
			//! バッファへの書き込みを可能にする
			/*! この関数はスレッドセーフでは無いのでメインスレッドから安全に呼び出す必要がある
			*/
			virtual	r_bool		map();
			//! バッファへの書き込みを完了する
			/*! この関数はスレッドセーフでは無いのでメインスレッドから安全に呼び出す必要がある
			*/
			virtual	void		unMap();
		public:
			//! 頂点情報を書き込む
			/*!
			*/
			virtual	void		setIndex ( r_ui32 index, r_ui32 value ) {}
			virtual	void		setIndex ( const r_ui32* value ) {}
			virtual	void		setIndex ( const r_ui16* value ) {}
		public:
			//! インデックスを取得する
			/*!
			*/
			r_ui32				getNumIndex() const;
			//! 4byteバッファを利用しているか?
			/*!
			*/
			virtual	r_bool		isLongBuffer() const;
		protected:
			r_ui32				numIndex;
		private:
		};
	}
}

#endif // _R_DRAW_INDEXBUFFER_H_
